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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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A rational number
An irrational number
An odd number
A prime number
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Question # 2
If C is the mid point of AB and P is any point outside AB, then
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Question # 3
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1
1/2
0
None
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Question # 4
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Question # 5
The set of points {(x,y)|y = f(x),∀x∈} is called
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Relation
Graph of f
Function
All are correct
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Question # 6
The range of function f(x)=-x2+2x-1 is
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R
(-∞,0]
(-∞,1]
[0,∞)
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Question # 7
The equation of the circle with centre (5, -2) and radius 4 is
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(x-5)
2
+ (y+2)
2
= 16
(x-5)
2
+ (y+2)
2
= 4
(x-5)
2
+ (y-2)
2
= 16
(x-5)
2
+ (y-2)
2
= 4
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Question # 8
(2.02)4 s equal to
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16
16.6496
17
18
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Question # 9
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Question # 10
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Question # 11
If the angle between two vectors
u
and
v
is 0 orπ, then the vectors
u
and
v
are:
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Orthogonal
Collinear
Perpendicular
None of these
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Question # 12
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Question # 13
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Question # 14
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A
B
U
None of these
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Question # 15
(ABC)' =
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CBA'
CBA
C' B' A'
None of these
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Question # 16
The point R dividing internally the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) in the ratio K
1
: K
2
has the coordinates
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Question # 17
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Question # 18
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Question # 19
The set { {a,b} } is
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Infinite set
Singleton set
Two points set
Empty set
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Question # 20
If Z
1
= 1 + i, Z
2
= 2+3i, then |Z
2
- Z
1
| = ?
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Question # 21
If A and B are two sets then any subset R of B x A is called
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relation on A
relation on B
relation from A to B
relation from B to A
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Question # 22
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Reciprocal equation
Exponential equation
Radical equation
None of these
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Question # 23
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none of these
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Question # 24
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Question # 25
The identity element with respect to subtraction is
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0
1
-1
Does not exist
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Question # 26
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Question # 27
In (x +iy) y is called as
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Imaginary part
Complex number
Real part
None of above
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Question # 28
The period of the function f(x) = sin
4
x + cos
4
x is
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π
π
/2
2
π
None of these
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Question # 29
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1
7
4
None of these
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Question # 30
The 6th term of the sequence 7,9,12,16......is
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27
32
20
19
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Question # 31
If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder
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7
-2
6
1
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